Prove that 210 is a term in the A.P 3,6,9, 12...
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Step-by-step explanation:
A.P. 3,6,9,12........
210 = 3 + (n-1)3
207 = 3(n-1)
n-1 = 69
n = 70
अर्थात उपरोक्त समांतर श्रेणी का 70वां पद 210 है ।
इससे यह सिद्ध होता है कि 210 इस श्रेणी का एक पद हैं।
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Prove that 210 is a term in the AP 3,6,9,12.......
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