One mole of an ideal gas undergoes a process P=P₀ [1+ (2V₀/V)²]⁻¹,where P₀V₀ are constants. Change in temperature of the gas when volume is changed from=V₀ →V =2V₀ is:
a) 4/5 P₀V₀/nR
b) 3/4 P₀V₀/nR
c) 2/3 P₀V₀/nR
d) 9/7 P₀V₀/nR