Medium Math Class 9 Level 7

Which is the correct factorization of x² - 23x + 132?

x² - 23x + 132 का सही गुणनखंड कौन सा है?

A (x - 11)(x - 12) / (x - 11)(x - 12) B (x + 11)(x + 12) / (x + 11)(x + 12) C (x - 6)(x - 22) / (x - 6)(x - 22) D (x + 6)(x + 22) / (x + 6)(x + 22)
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Correct Answer

A. (x - 11)(x - 12) / (x - 11)(x - 12)

Explanation

The numbers 11 and 12 have product 132 and sum 23 so the factors are (x - 11)(x - 12).

11 और 12 का गुणनफल 132 और योग 23 है इसलिए गुणनखंड (x - 11)(x - 12) हैं।

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