Home › Bihar Board Class 12 (Commerce) › Mathematics › Integrals › Find the integral of (2x + 1) from 1 to 3.
Find the integral of (2x + 1) from 1 to 3.
A12
B8
C10
D6
Answer & Solution
Correct answer: C. 10
The antiderivative x^2 + x gives (9 + 3) - (1 + 1) = 10.
Related questions
To turn f(x) into f(a + b - x) in a definite integral, substitute:Find integral of sin x/(sin x + cos x) from 0 to pi/2.Using the 2a property, the integral of sin x from 0 to 2*pi is:Integral of cos x over [-pi/2, pi/2]:For even f, the integral over [-a, a] is twice the integral over:The integral of any odd function over [-a, a] is:Evaluate the integral over [0, 1] of x e^(x^2).Integral of 2x/(1 + x^2) over [0, 1] equals: