how can a+b=√(a²+b²). the staircase Paradox.

1+2+3+....+n=n(n+1) /2 visual proof

find dy/dx, when y=x^x^x

The sum of nth root of i and nth root of -i | complex number

√i + √-i = ?

visual proof of pythogoras theorem (a²+b²=c²)

why A.M ≥G.M?

can you find the sum of the series?

Geometric mean theorem(h^2 = pq) proof|visual proof and theoretically proof by Pythagoras theorem

why area of triangle = (1/2) × base × height |visual proof|#proof #maths #mathconcepts #triangle

formula of sin(a+b) | visual proof|#trigonometry #visualproof #maths

(a^2-b^2)sinθ+2abcosθ=a^2+b^2, then find tanθ. | trigonometrice| important math|class 11 sn dey book

a²+b²+2a.b.cosx=1,c²+d²+2c.d.cosx=1,and a.c+b.d+ (a.d+b.c)cosx=0;then prove that,a²+c²=b2+d²=cosec²x

prove that, tan²(π/16).tan²(2π/16)..... tan²(7π/16)=1, trigonometrice class 11 important problems.

prove that, tan3x-tan2x-tanx=tanxtan2xtan3x|trigonometrice important problem|#class11 #maths #sndey

if cos+sin=√2sin prove that, cos+sin=√2cos|#trigonometry #class11 #maths #sndeybook #exercise2

prove:(sinθ+secθ)^2+(cosθ+cosecθ)^2=(1+cosecθsecθ)^2|trigonometry important question|#class11 #maths

prove:tan(B-C)+tan(C-A)+tan(A-B)=tan(B-C)tan(C-A)tan(A-B)|exercise-6 sn dey book#class11#class11math

prove that cotx cot2x + cot2x cot3x=cotx (cotx-cot3x)|trigonometry problem|sn dey book|#trigonometry

cot^-1(1-x+x^2)dx at 0 to 1|indefinite integration|class 12 math|#integration #indefinite_integral

if secθ + tanθ =p ; than prove that sinθ=(p^2 -1) /(p²+1). |trigonometrice #trigonometry #class10

if secθ = secαsecβ + tanαtanβ;then prove that,tanθ = ±(secαtanβ + tanαsecβ)#mathematics#trigonometry

if cosecx=cosecy.cosecz + coty.cotz;prove that cosecy=cosecz.cosecx ± cotz.cotx||#trigonometry #math

if p.tanθ = tanpθ;then prove that, sin²pθ/sin²θ = p²/{1+(p²-1)sin²θ}|trigonometry|#math#trigonometry

if tan²θ=1-e², than prove that, secθ+tan³θcosecθ=(2-e²)^(3/2)||#math #impmath #mathematics

Find the minimum value of 2^(sin²x) + 2^(cos²x) ||2^(sin²x) + 2^(cos²x)-এর লঘিষ্ঠ মান নির্ণয় করো||

prove that:tan^-1 1/(p+q) + tan^-1 q/(p²+pq+1) =cot^-1 p |inverse trigonometric functions

x^y=y^x , find dy/dx | first order derivative

prove that: sin cot^-1 cos tan^-1 (x) ={(1+x²)/(2+x²)}^(½) |inverse trigonometric functions

integrate log(1+x)/(1+x^2) from 0 to 1

solve:xdx+ydy+(xdy-ydx)/(x^2+y^2)=0| differential equationsfirst order and first degree differential

if x/(lm-n²) = y/(mn-l²) = z/(nl-m²) , then prove that lx + my + nz =0 || কষে দেখি- 5.3 || {6.(iii)}

a:b=b:c,then prove that {(a+b)/(b+c)}²=(a²+b²)/(b²+c²)|দশমশ্রেণী,অনুপাত সমানুপাত,কষে দেখি-5.3{4.(i)}

x=8ab/(a+b),then find the value of {(x+4a)/(x-4a) + (x+4b)/(x-4b)}|দশম শ্রেণী,কষে দেখি-5.3{6.(vi)}

a²/(b+c)=b²/(c+a)=c²/(a+b)=1, then prove that,1/(1+a)+1/(1+b)+1/(1+c)=1 |কষে দেখি-5.3{10.(i)}

x:a=y:b=z:c হলে,প্রমাণ করো যে,x³/a²+y³/b² +z³/c²=(x+y+z)³/(a+b+c)²|অনুপাতসমানুপাত,কষেদেখি-5.3{2.(i)}

a:b=c:d হলে,দেখাও যে, √(a²+c²):√(b²+d²)=(pa+qc):(pb+qd)| অনুপাত সমানুপাত,কষে দেখি-5.3 {1.(iii)}

a:b=c:d হলে,দেখাও যে,(a²+ab+b²):(a²-ab+b²)=(c²+cd+d²):(c²-cd+d²)|অনুপাত সমানুপাত,কষেদেখি-5.3{1.(ii)}

a:b=c:d হলে,দেখাও যে,(a²+b²):(a²-b²)=(ac+bd):(ac-bd)|অনুপাত ও সমানুপাত, কষে দেখি-5.3 {1.(i)}

সমাধান করো: (2x+1) + 3/(2x+1) =4, {x≠-1/2}| দশম শ্রেণী গণিত,অধ্যায়:1,কষে দেখি-1.2 {4. (xii) }

সমাধান করো: x/(x+1) + (x+1)/x =25/12, {x≠0, -1}| দশম শ্রেণি গণিত,অধ্যায়:1,কষে দেখি-1.2 {4.(x)}

সমাধান করো:a/(x-a) +b/(x-b) =2c/(x-c), {x≠a, b, c}| দশম শ্রেণী গণিত, অধ্যায়:1,কষে দেখি-1.2 {4.(xx)}

সমাধান করো: 1/x - 1/(x+b) =1/a - 1/(a+b), { x≠0,-b }| দশম শ্রেণী গণিত, কষে দেখি-1.2{4.(xviii)}.

সমাধান করো: (x+3)/(x-3) +6(x-3)/(x-3)=5, { x≠3,-3 }| দশম শ্রেণী গণিত,কষে দেখি-1.2 { 4.(xv) }

সমাধান করো: 1/(a+b+x) =1/a +1/b +1/x, {যেখানে, x≠0, -(a+b) }| দশম শ্রেণী গণিত, কষে দেখি-1.2{4.(xvi)}

সমাধান করো:(x+1)/2 + 2/(x+1)=(x+1)/3 + 3/(x+1) -5/6,{যেখানে,x≠-1}|দশম শ্রেণী,কষে দেখি-1.2{4.(xiii)}

সমাধান করো:{(x+a)/(x-a)}² -5(x+a)/(x-a) +6=0, {যেখানে,x≠a}| দশম শ্রেণী গণিত, কষে দেখি-1.2 {4.(xvii)}

সমাধান কর: (x-2)/(x+2) +6(x-2)/(x-6) =1, { যেখানে, x≠-2,6}| কষে দেখি-1.2 {4. (viii)}

সমাধান কর: (x+3)/(x-3) + (x-3)/(x+3) =5/2, { যেখানে x≠-3, 3 } |অধ্যায়:1,প্রয়োগ:15. |নিজে করি-15

সমাধান কর: a/(ax-1) +b/(bx-1) =(a+b) { যেখানে, x≠1/a, 1/b} | অধ্যায়:1, প্রয়োগ:13. | নিজে করি-13.

if y^(x)=e^(y-x) prove that (dy)/(dx)=((log ey)^(2))/(log y)

if (1+x)^n = C0+C1x+C2x^2+..... +Cnx^n , then prove that C1-2C2+3C3..... +(-1)^(n-1)nCn = 0.

if (1+x)^n = C0+C1x+C2x^2+..... +Cnx^n , then prove that (n+2) 2^(n-1) = C0+2C1+3C2+..... +(n+1)Cn.

if cosy=x cos(a+y), then prove that dy/dx = cos²(a+y) /sina .

find dy/dx when: y= log {x+√(x²-a²)}

if e^y -(a+btanx) /(a-btanx)=0, then find dy/dx

if tan²y=(1+ cos2x) /(1-cos2x), then find dy/dx

if y= (tan x)^(tan x) ^(tan x) find (dy)/(dx) at x=(pi)/(4)

if x^y +y^x = 1 , find dy/dx | derivatives | important problem for class 12 |#derivatives

if siny=xsin(a+y) prove that dy/dx=sina/(1-2xcosa+x^2)