Question

for what value of n are the nth term of two A. P.s 63,65,67........... and 3,10,17........... equal?​

Answer 1

Step-by-step explanation:

in first AP a=63,d=2 nth term=63+(n-1)2=63+2n-2=2n+61 in second AP a=3,d=7 nth term=3+(n-1)7=3+7n-7=7n-4 7n-4=2n+61 5n=65 n=65/5=13 thus, n=13

Answer 2

Answer:

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