In the AP the first term is -4 and the last number is 29 and the sum of the total is 150 find the common difference
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Common difference is three
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Answered by
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hope it's clear........
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TPS:
When you got n, you should have used l=a+(n-1)d
was not remembering the formula at that time....!!!.. yeah with that the calculation would have been small...:)
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