If the numbers a, 9, b, 25 from an AP, find a and b.
kaushik171:
I can't understand anything
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Heya!!!
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#foreverJungkook
Here's your answer!!!
Hope it helps you!!!
Cheers ☺☺☺
#foreverJungkook
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a+d=9
Take it as equation 1
a+3d=25
Take it as equation 2
Subtract eq 2nd from 1st we get
-2d=-16
So..d=8
Put the value in any eq
As I had put in eq 1
a+8=9
a=1
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