[" Let "y=ell n(1+cos x)^(2)" ,then find the value of "],[cos((d^(2)y)/(dx^(2))+(2)/(e^(y/2)))]

Let y=ln (1+ cos x)^(2). The the value of (d^(2)y)/(dx^(2))+(2)/(e^(y//2)) equals

Let y=in (1+ cos x)^(2). The the value of (d^(2)y)/(dx^(2))+(2)/(e^(y//2)) equals

Let y=1n(1+cos x)^(2). Then the value of (d^(2)y)/(dx^(2))+(2)/(e^((y)/(2))) equal (a)0(b)(2)/(1+cos x)(c)(4)/(1+cos x)(d)(-4)/((1+cos x)^(2))

If x=a(sin t-t cos t),y=a sin t then find the value of (d^(2)y)/(dx^(2))

Let y=1n(1+cosx)^2 . Then the value of (d^2y)/(dx^2)+2/(e^(y/2)) equal (a)0 (b) 2/(1+cosx) (c) 4/(1+cosx) (d) (-4)/((1+cos"x")^2)

Let y=1n(1+cosx)^2 . Then the value of (d^2y)/(dx^2)+2/(e^(y/2)) equal (a) 0 (b) 2/(1+cosx) (c) 4/(1+cosx) (d) (-4)/((1+cos"x")^2)

Let y=1n(1+cosx)^2 . Then the value of (d^2y)/(dx^2)+2/(e^(y/2)) equal (a)0 (b) 2/(1+cosx) (c) 4/(1+cosx) (d) (-4)/((1+cos"x")^2)

Let y=1n(1+cosx)^2 . Then the value of (d^2y)/(dx^2)+2/(e^(y/2)) equal (b) 2/(1+cosx) 4/(1+cosx) (d) (-4)/((1+cos"x")^2)

Let y=1n(1+cosx)^2 . Then the value of (d^2y)/(dx^2)+2/(e^(y/2)) equal (a) 0 (b) 2/(1+cosx) (c) 4/(1+cosx) (d) (-4)/((1+cos"x")^2)