Question

Find the first term and the common difference for the following AP.

4, 1, −2, −5 ...

a. a = 4, d = 3 b. a = 4, d = −2 c. a = 4, d = −3 d. a = 4, d = 2​

Answer 1

Answer:

Step-by-step explanation:

Answer

First term =a=4

Second term =a+d=4−3=1

Third term =a+3d=4−6=−2

Fourth term =a+3d=4−9=−5

So the A.P. is 4,1,−2,−5.

Answer 2

Step-by-step explanation:

What fraction of a clockwise revolution does the hour hand of a clock

turn through, when it goes from 1 to 10 ?