Find the 12th term from the last term of the A.P -2,-4, -6,... - 100
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3
the answer is negative 62
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4
Step-by-step explanation:
A.P. -2 , -4 , -6 , ..................., -100
कुल पद(n) = 50
a = -2 , d = -4 -(-2) = -4+2 = -2
अंतिम से 12वाँ पद 39वाँ पद होगा ।
39वें पद के लिए ,
n = 39 , a = -2 , d = -2
39वाँ पद = a + (n - 1)d
= -2 + (39 - 1)(-2)
= -2 + 38(-2)
= -2 - 76 = -78
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