Medium Math Class 9 Level 6

If p(x) = x² - 9x + 20 then what is p(4)?

यदि p(x) = x² - 9x + 20 हो तो p(4) का मान क्या है?

A 0 / 0 B 4 / 4 C 8 / 8 D 20 / 20
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Correct Answer

A. 0 / 0

Explanation

p(4) = 16 - 36 + 20 = 0 so p(4) is zero.

p(4) = 16 - 36 + 20 = 0 इसलिए p(4) शून्य है।

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