Question

For an ap whose 3rd term is 5 and 7th term is 9 the value of d is

Answer 1

$\sf 3^{rd} \ term = 5\\\\\sf 7^{th} \ term = 9\\\\\sf\bf\boxed{\sf\bf Common \ difference = \frac{Term \ difference}{Position\ difference} }\\\\\\\sf Common \ difference = \frac{9-5}{7-3} =\frac{4}{4} =\bf 1 \\\\\sf\bf AP = 3,4,5,6,7,8,9,..........$

HOPE IT HELPS U .................