engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Differential Calculus Differentiation by substitution
यदि \(\dfrac{e^{3x} + e^x}{e^{4x} - e^{2x} + 1}\)का अवकलज है यदि
f(ex - e-x) + C है, तो f(x) _________ के बराबर है।
1
tan-1 x
2
tan x
3
cos-1 x
4
sin x