Math, asked by tanishamahajan, 4 months ago

for an A.p if t3 =20 and d=-3 find the value of a

Answers

Answered by ssinghmadhoganj

0

Answer:- 26

Step-by-step explanation:

a+(3-1)×(-3) = 20

a+2×(-3) =20

a - 6 = 20

a = 20 + 6

a= 26

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