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- Expand & simplify ⇨
. Give your answer in the form
where b & c are integers.
Use binomial theorem to expand
.
The square of is 10.
Factor . Rewrite the square root of the product
as the product of square roots
.
Multiply and
to get 2.
Multiply -2 and 2 to get -4.
The square of is 2.
Add 10 and 2 to get 12.
- Here, b & c are integers where