Differentiate each of the following with respect to x: a. y = In√x + √2* + e²x + b. y = xsin2x-2cos2x-2 sin2x 4. If x² + y² = x - y, show that 5. Find the derivative with respect to x of: tanx a. y = (sinx) ta -4 d² y dx² (1+2y)³ [10] [10] [10]