Question

In an AP a=10 n=14 Sn 1050 find d

Answer 1

Answer:

u will get the answer

Step-by-step explanation:

apply formula

Sn=n/2(2a+(n-1)d)

Answer 2

Step-by-step explanation:

Sn=1050

a=10

n=14

Sn=n/2{2a+(n-1)d}

14/2{2×10+(14-1)d}=1050

20+13d=1050/7

20+13d=150

13d=150-20

13d=130

d=130/13

d=10

HOPE U UNDERSTAND