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3 – If r = 1 and frist term is 1/2 find the sum of the 10 terms of a Gp
4  Use mathematical induction to prove that 2 + 4 + 6 ……..+ 2n = n(n+1)
5 – Expand ( 2x – 3y)^4 by using binomial formula
Notice :
D. Mark i can't type my work into the text entry box. i put it in attachment i'm very sorry
4  Use mathematical induction to prove that 2 + 4 + 6 ……..+ 2n = n(n+1)
5 – Expand ( 2x – 3y)^4 by using binomial formula
Notice :
D. Mark i can't type my work into the text entry box. i put it in attachment i'm very sorry
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