Two A.P's are given 12, 24,36 & 92,94,96 if nth term of both the AP are equal find n and nth term
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n th term is 7 and both AP aare equal at 84
EXPLANATION
a=12. d=12 A=96. D= -2
a+(n-1)d =A+(n-1)D
12+12n-12=96-2n+2
12n+2n =96+2
14n =98
n=7
a+(n-1) d= A+(n-1)D.
12 +72 =96- 12. After solving
84 =84
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