find the value of f x 4x 3 3x 2 5x 7 at x= 1⁄2
Answers
Answered by
2
Answer:
search-icon-header
Search for questions & chapters
search-icon-image
Class 11
>>Maths
>>Relations and Functions
>>Algebra of Real Functions
>>If f(x) = 4x^3 + 3x^2 + 3x + 4 , then x^
Question
Bookmark
If f(x)=4x
3
+3x
2
+3x+4 , then x
3
f(
x
1
) is equal to
Medium
Solution
verified
Verified by Toppr
Correct option is A)
Given equation is f(x)=4x
3
+3x
2
+3x+4
We have to find x
3
f(
3
1
)
Substituting x=
x
1
in the given equation:
Thus f(
x
1
)=4(
x
1
)
3
+3(
x
1
)
2
+3(
x
1
)+4
=
x
3
4
+
x
2
3
+
x
3
+4
Therefore, x
3
f(
x
1
) =x
3
(
x
3
4
+
x
2
3
+
x
3
+4)
=4+3x+3x
2
+4x
3
=4x
3
+3x
2
+3x+4=f(x)
Answered by
6
hope This Help You.
hope This Help You.#mark brainliest
Attachments:
Similar questions