Medium Math Class 9 Level 9

If p(x) = x² - 15x + 56 then what is p(7)?

यदि p(x) = x² - 15x + 56 हो तो p(7) का मान क्या है?

A 0 / 0 B 7 / 7 C 14 / 14 D 56 / 56
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Correct Answer

A. 0 / 0

Explanation

p(7) = 49 - 105 + 56 = 0 so p(7) is zero.

p(7) = 49 - 105 + 56 = 0 इसलिए p(7) शून्य है।

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