please solve it...............Full solution needed
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3
n is positive so it can be 1 2 3 4......
3^(2n+1)+2^(n+2)
by trail and error method
n can be 1 and 2 and 3
cus if you take it 1 the sum is 35 which is divisible by 7 and if you take it 2 the sum is 259 which is divisible by 7
if you take it 3 the sum is 2219 which is divisible by 7
3^(2n+1)+2^(n+2)
by trail and error method
n can be 1 and 2 and 3
cus if you take it 1 the sum is 35 which is divisible by 7 and if you take it 2 the sum is 259 which is divisible by 7
if you take it 3 the sum is 2219 which is divisible by 7
Answered by
1
upper answer is correct
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