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find
the
Sum of
2 + 5+ 8+..
to 20
terms
using
the
formula​

By Arya

find
the
Sum of
2 + 5+ 8+..
to 20
terms
using
the
formula​

About the author
Arya

The ratio of the ages of father and son at present is 6: 1. After 5 years the ratio will become 7:2. Find the present age of the s

What is the degree of the expression 2x + 3x + 5x + 4 for class-7th​

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