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  1. If (a + b) = 5, then the value of (a – 3)7 + (b – 2)7 is :
    1. 27
    2. 37
    3. 1
    4. 0
Correct Option: D

a + b = 5
⇒ a – 3 = 2 – b
⇒ (a – 3)7 = (2 – b)7
⇒ (a – 3)7 = – (b – 2)7
⇒ (a – 3)7 + (b – 2)7 = 0


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