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The sum of the three number in ap is 21 and their product is 231 find the numbers. |
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Answer» HII There!!! Let the AP be :-. (a-d), a, (a+d) =)(a-d)+a+(a+d) =21 =)3a=21 =)a=7 (a-d)×a×(a+d)=231 (a×a-d×d) ×a=231 (7×7-d×d)×7=231 (7×7-d×d)=231/7 (7×7-d×d)=33 d×d=49-33 d×d=16 d=4 So, the A. P. is 3, 7, 11. Hope it helps Mark as Brainliest |
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