Question

in the A,P,2,-2,-6,-10.....common difference(d) is​

Answer 1

comman difference is -4

Answer 2

★ QUESTION :

Find the Common Difference (d) in the Arithmetic Progression (AP) : 2 , -2 , -6 , -10.

★ CONCEPT USED :

AP : a1 , a2 , a3 , a4 ....... an

Common Difference (d) = a2 - a1

nth Term (an) = a + (n - 1)d

Sum of nth Term (Sn) = n/2 + (a + an)

Sum of nth Term (Sn) = n/2 + [ 2a + (n - 1)d ]

★ GIVEN :

Arithmetic Progression (AP) = 2 , -2 , -6 , -10

★ TO FIND :

Common Difference (d)

★ SOLUTION :

Arithmetic Progression (AP) = 2 , -2 , -6 , -10

Common Difference (d) = a2 - a1

Common Difference (d) = -2 - 2

Common Difference (d) = -4

★ ANSWER :

Common Difference (d) = -4

HOPE IT HELPS YOU !

THANKS !