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How do i work this out please?
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2 votes
How do i work this out please?

How do i work this out please?-example-1
User Houtman
by
2.5k points

2 Answers

7 votes
A. Since they all have the same numbers inside the root simply just solve the outer numbers which is 7-2+1-3 = 3root 3
User Frops
by
3.4k points
5 votes

Answer:

3
√(3) and
√(7)

Explanation:

Simplifying surds is similar to collecting like terms in algebra.

If the surds have the same value then collect them by adding/ subtracting their coefficients.

(a)


√(3) (7 - 2 + 1 - 3)

=
√(3) (3)

= 3
√(3)

(b)


√(7) (5 + 4 - 8)

=
√(7) (1)

=
√(7)

User Eruant
by
3.1k points
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