d/dx(ex) = ex Sn = a(1 - rn)/(1 - r) d = √((x2-x1)2+(y2-y1)2) V = L(dI/dt) e = (v2 - v1)/(u1 - u2) Psolution = Xsolvent × P°solvent n = c/v ac = v2/r cos 2θ = cos2θ - sin2θ c = λf sin2θ + cos2θ = 1 ln(P2/P1) = -ΔHvap/R (1/T2 - 1/T1) S = a/(1 - r) P = W/t I = ½ Σ ci zi2 P = IV Sn = (n/2)[2a + (n - 1)d] E = hf cos x = Σ (-1)n x(2n)/(2n)! Q = It (1+x)n = Σ n C k.xk A = ab sinθ an = a + (n - 1)d ΔG = ΔH - TΔS αβ = c/a
m = f'(x) (x-h)2 + (y-k)2 = r2 V = IR V = (4/3)πr3 T = 2π√(L/g) f(x) = Σn=0∞ (f(n)(a)/n!)(x-a)n f(x) = Σn=0∞ (f(n)(0)/n!)xn x = a sinθ m = (y2 - y1)/(x2 - x1) A = ½ab sin C Fc = mv2/r cos2(θ/2) = (1 + cosθ)/2 π = MRT A = Pert W = Fd cosθ E = E° - (0.0591/n) log Q K.E. = ½mv2 limx→a f(x)/g(x) = limx→a f'(x)/g'(x) n = mass/M (f(g(x)))' = f'(g(x))⋅g'(x) Rate = k[A]m[B]n v2 = u2 + 2as P(n, r) = n!/(n-r)! 1/f = 1/v + 1/u Φ = BA cosθ
U = mgh d/dx(cos x) = -sin x E = VIt d/dx(sin x) = cos x an = arn - 1 ε = -dΦ/dt p = mv Percent Purity = (mass of pure substance/mass of sample) × 100 logb a = ln a/ln b f''(x) ∫(dx/x) = ln|x| + C Fx + Fy(dy/dx) = 0 C(n, r) = n!/(r!(n-r)!) A = ∫ab f(x) dx y - y1 = m(x - x1) Equivalent Weight = Molecular Weight/n v = u + at A = πab F = ma ∫ u dv = uv - ∫ v du (Σ ai2)(Σ bi2) ≥ (Σ aibi)2 λ = h/p f'(a) = limh→0 (f(a+h)-f(a))/h F = q(E + v × B) α + β = -b/a
M = moles/volume pH = -log[H+] sin 2θ = 2 sinθ cosθ Kc = ([C]c[D]d)/([A]a[B]b) s = (a+b+c)/2, A = √(s(s-a)(s-b)(s-c)) n1 sinθ1 = n2 sinθ2 sin A + sin B = 2 sin((A+B)/2) cos((A-B)/2) x = [-b ± √(b2 - 4ac)]/(2a) sin2(θ/2) = (1 - cosθ)/2 Normality = Molarity × n sin x = Σ (-1)n x(2n+1)/(2n+1)! pKa = -log Ka s = ut + ½at2 A = ½|x1(y2-y3) + x2(y3-y1) + x3(y1-y2)| 2 sin A cos B = sin(A+B) + sin(A-B) ΔTb = iKbm ex = Σ xn/n! (a+b)n = Σk=0n (nCk)an-kbk d/dx(ln x) = 1/x ΔTf = iKfm F = k( q1q2 )/r2 d = |Ax0 + By0 + C|/√(A2+B2)

Your AI Tutor for JEE/ NEET Preparation

Never be stuck again. Get instant answers to all Your JEE/ NEET doubts!

Start Asking Doubts

Key Features

AI-Powered Doubt Solver

Get instant, reliable solutions to your doubts, 24/7.

Real-Time Learning

No more waiting for a teacher's reply. Get immediate help and keep the momentum going.

Easy to Use

Simply snap a picture of your question, type it out, or even speak it. Our AI takes care of the rest.

Why

Not Just Another Doubt-Solving App.

Simplernow is your go-to app for clearing those pesky doubts instantly. Whether it's a tricky physics problem or a complex organic chemistry reaction, our AI tutor is ready to guide you through with clear, concise answers – anytime, anywhere.

How It Works

Clear your doubts with ease and stay confident in your studies.

Ask Your Doubt

Take a picture, speak, or type your query.

Get an Answer

Receive a step-by-step explanation instantly.

Stay Confident

Understand the concept, strengthen your foundations, and stay on top of your preparation.