Question

If x=
1
then the value of 23 - 22 – 112 + 3 is
2 + 3

Answer 1

Answer:

mathematics, the additive inverse of a number a is the number that, when added to a, yields zero. This number is also known as the opposite, sign change, and negation.

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Answer 2

$\Large\mathtt\green{ }\huge\underline\mathtt\red{Answer : }$

3+22⇒x1=3+221

⇒x1=3+221×(3−22)(3−22)=(32−(22)2)3+22

=9−83−22=3−22

∴x+x1=3+22+3−22

⇒x+x1=6⇒x+x1−2=6−2⇒⎝⎛(x)2+(x1)2−2×x×x1⎠⎞=4

⇒(x−x1)2=4⇒x−x1=±4=±2.

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