Question

AP, GP, SI and CI For the AP whose first term is 7 and common difference is 10, find out the value of 'n' , for which its nth term is 147
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Answer 1

Answer:

if u have to find AP u can use the formula

tn = ( a + (n-1)×d )

ex : 147 = ( 7+ (n-1)10)

and solve further

Step-by-step explanation:

if u want to find GP u can use the formula

tn = a × r ^ n-1

here 'r ' is RATIO

ex : 147 = 7 × r ^ n-1

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