Question

The tenth term in the AP 9,15,21 ……. Is _______________________. [a] 69 [b] 63 [c] 72 [d] 42

Answer 1

$\sf\large\blue{Answer}$

a => 9

d =>6

=>a+9d

=>9+ 9 ×6

=>63

The tenth term of given AP is 63

Answer 2

Answer:

[b] 63

Step-by-step explanation:

given :-

a=9

d=15-9=6

tn = a+(n-1)d

t10=a+9d

t10 = 9+9×6

t10 = 9+54

t10 = 63