Question

a= - 1.25, d = 0.25 then T7 = ?​

Answer 1

Answer:

a=−1.25;d=−0.25

⇒a;a+d;a+2d;a+3d

⇒−1.25;−1.25−0.25;−1.25−0.5;−1.25−0.75

⇒−1.25;−1.5;−1.75;2