Question

38. Ify = + Vx/m + Vm / x then 2xy dy/dx - x/m + m /x is equal to
a) O
b) 1
c) -1
d) none of these

39. If y = 1 + X+X^2÷2!+X^3÷3!+........
....+X^n÷n+..........
then dy/dx - y is prooved to be
a) 0
b) 1
C) -1
d) none of these

solve these step by step.
then I will definitly give you brainliest mark​

Answer 1

Answer:

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