Question

Find the common difference of the
a.P whose first term is 12 and fifth term is 0

Answer 1

Answer:

d=-3

Step-by-step explanation:

a=12,a5=0,d=? an=a+(n-1)d n=5 a5=12+(n-1)d 0=12+(5-1)d -12=4d d=-3 the required AP is 12,9,6,3,0

Answer 2

The common difference is -3.

Step-by-step explanation:

Since we have given that

First term = 12

a = 12

Fifth term = 0

$a_5=0\\\\a+4d=0$

Put the value of a in the above expression:

$12+4d=0\\\\4d=-12\\\\d=\dfrac{-12}{4}\\\\d=-3$

Hence, the common difference is -3.

# learn more:

Find common difference of ap whose first term is 12 and fifth term is 0.

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