if the sum of first n even natural no is 420 find value of n
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Answer:don't know
Step-by-step explanation:
420 =an
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Answer:
Step-by-step explanation:
formula of sum of the terms = n/2 (2a + [ n - 1 ] x d )
this is a solution of your question
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kanojiaasmita1:
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if it helps you
marked :)
ok thanks
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