defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Integral Calculus Definite Integrals
यदि f(a + b - x) = f(x) है, तो \( \int_{a}^{b}\)x f(x) dx = _______ है।
1
\(\frac{a+b}{2} \int_{a}^{b} f(x) d x\)
2
\(\frac{a+b}{2} \int_{a}^{b} f(b+x) d x\)
3
\(\frac{b-a}{2} \int_{a}^{b} f(x) d x\)
4
\(\frac{a+b}{2} \int_{a}^{b} f(b-x) d x\)