Question

in a arthmetic progression first term is-8 and last term is 100 find the sum of first 20 terms

please answer me in step by step please​

Answer 1

Answer:

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Step-by-step explana tion:

A Variable is a symbol for a number we don't know yet. It is usually a letter like x or y.

A number on its own is called a Constant.

A Coefficient is a number used to multiply a variable (4x means 4 times x, so 4 is a coefficient)

Variables on their own (without a number next to them) actually have a coefficient of 1 (x is really 1x)

Sometimes a coefficient is a letter like a or b instead of a number: