Question

Q. 1 समांतर श्रेढ़ी 100, 70, 40, का 40 वाँ पद ज्ञात
कीजिए ?
Ans. a = a1 = 100.a2 =70
d = a2 - a1 = 70 - 100 = - 30
n = 40
an = a + (n - 1)d
a40 = 100 +(40 - 1)( - 30)
a40 = 100 + (39)( - 30)
a40 = 100 - 1170 = - 1070.

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Answer 1

Answer:

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