Q. 2

# Write the sum of

S=12 + 32 + 52 ……… + (2n – 1)2 – {22 + 42 + 62 + ……. + (2n)2}

S=12 + 32 + 52 ……… + (2n – 1)2 – 22{12 + 22 + 32 + ……. + (n)2} ……..(1)

We know ………(2)    …(3)

Substituting (3) in (1), we get,  Substituting (2) in the above equation  Rate this question :

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