Question

In an AP, if a5 a25 =56 then as15 is a) 28 b) 82 c) 76 d) 67​

Answer 1

Step-by-step explanation:

a5 = a +4d

a25 = a +24d

a15 = a+14d.

Now a5+a25=56

(a+24d)+(a+4d)=56

2a+28d=56

2(a15)=56

a15=28

Answer 2

Answer:

refer to the attachment above for ur answer

Step-by-step explanation:

hope it helps you ^_^

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