Question

5th term of an ap is 38and 8th term is 62
What is common difference​

Answer 1

Step-by-step explanation:

a5= 38

a8=62

hence, a +4d=38 ___(i)

a+7d=62_____(ii)

(-) (-) (-)

__________

-3d= -24

3d= 24

therefore,

d = 24÷3

d= 8 ( Ans)

you can also find first term(a)--

on putting (d=8) in (i) we get,

a + (4×8) = 38

a = 38 - 32

a = 6

Answer 2

Answer:

common difference is 8

Step-by-step explanation:

• a5=38
• a8=62
• a+4d=38 eq1
• a+7d=62eq2
• sub eq 1 and 2
• -3d=-24
• d=8

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