Question

is the sum of n terms of an ap is given by 4n²-n. find the value of An​

Answer 1

Step-by-step explanation:

An=a+(n-1)d. this is the arthematic proggression formulae

A1=a

A2=a+d

A3=a+2d

replace n in any no u will definetly will come

like 4n^2-n

4(1)^2-1=4-1

=3

Answer 2

Answer:

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