Math, asked by vikasahirwar739, 10 months ago

एक समान्तर श्रेढ़ी मे यदि A7=4और d= -4 है तो a है

Answers

Answered by yashvikosti

0

d= -4

A7=4= a+3d

4=a+3×(-4)

4=a-12

4+12=a

16=a

a=16

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