Question

The sum
1²C1 - 2²C2 +3²C3 -....+(-1) ^n-1)×n²cn, equals.no spammers are allowed​

Answer 1

Answer:

I dont know

Step-by-step explanation:

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Answer 2

The second line says Mr Ram has a mother. Mr Ram is the only son of his mother and Ram has a son and that photograph belongs to Mr Ram’s son.

The boy in the photograph is the only son of the son of Ram’s mother i.e., the son of Ram. Hence, Ram is the father of the boy.

Hence, option D is the correct answer.