Find a and b if 2,a,10,b+5 are successive term of an AP.
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let first term of AP is A and
common difference is D
A= 2
2nd termm is equal to A+ D=a---
third term is equal to A + 2D=10
4th term is equal to A + 3D =b+5
then 2+D=a
2+ 2D=10
D=4
put F equal to 4
a=6 and b=9
common difference is D
A= 2
2nd termm is equal to A+ D=a---
third term is equal to A + 2D=10
4th term is equal to A + 3D =b+5
then 2+D=a
2+ 2D=10
D=4
put F equal to 4
a=6 and b=9
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