Question

of A.P. t2 is 4 and d is -4 what is the value of a​

Answer 1

Answer:

tn = a + (n-1)d

here n is 2

so

t2 =4 = a+(1)(-4)

4=a-4

a=8

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Answer 2

Answer:

T2= a+(n-1)d

4 = a+(2-1)-4

4= a+(-4)

4= a-4

a= 4+4

a=8