Math, asked by Riyasharma98, 1 year ago

(3 + √5)(2- √5) simplify


Anonymous: Answer is 4
Anonymous: ( 3 + √5) ( 2 - √5) ==> ( - 6 - -5) = ( 6 + - 5 ) = ( 6 - 5) = - 1
Anonymous: Sorry answer is - 1
mhassn100100100: 1.236
mhassn100100100: 6-5+2√5 - 3√5 = 1-√5 = 1.236

Answers

Answered by GeN21
0
=6+2√5-3√5-5
which evaluates to 3-√5-5= 1-√5

ashishprajapati87: it is wrong
GeN21: my bad
Riyasharma98: yes
Answered by Nehajain126
5

\huge\boxed{SOLUTION}

(3 + \sqrt{5})(2 - \sqrt{5} ) \\ 6 - 3 \sqrt{5} + 2 \sqrt{5} - 5 \\ 6 - 5 - 3 \sqrt{5} + 2 \sqrt{5} \\ 1 - \sqrt{5}

Riyasharma98: is it correct?
Nehajain126: yup
Riyasharma98: thanks
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