Question

If f(x) = 2x³ - 13x² + 17x + 12 , find f(2√2)”

Answer 1

Answer:

66√2-92

Step-by-step explanation:

substitution 2√2 in place of x you will get the answer

Answer 2

$\huge\boxed{\mathbb\red{\underline{\underline{GIVEN}}}}$

$\textbf{f(x)= 2x^{3} - 13x^{2} + 17x + 12 }$

$\huge\boxed{\mathbb{\underline{\underline{TO\:CALCULATE}}}}$

$\textsf{f (2\sqrt{2} )}$

$\huge\boxed{\mathfrak\pink{\underline{\underline{Answer}}}}$

$\textsf{ f(2\sqrt{2})= 2*(2\sqrt{2})^{3} - 13*(2\sqrt{2})^{2} + 17*2\sqrt{2} + 12 }$

$\textsf{ f(2\sqrt{2})= 32\sqrt{2} - 104 + 34\sqrt{2} + 12 }$

$\textsf{ f(2\sqrt{2})= 66\sqrt{2} - 92 }$

$\textsf{If we substitute the value of \sqrt{2}\:as \:1.414 , we get}$

$\boxed{\textsf{ f(2\sqrt{2})= 93.324 - 92 }}$

$\boxed{\textsf{ f(2\sqrt{2})= 1.324 }}$

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