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4 votes
Simplify surds √50+√√72-√√128​

1 Answer

5 votes

Answer:

3
√(2)

Explanation:

Using the rule of radicals


√(a) ×
√(b)
√(ab)

Simplify the given radicals


√(50)

=
√(25(2))

=
√(25) ×
√(2)

= 5
√(2)

------------------------


√(72)

=
√(36(2))

=
√(36) ×
√(2)

= 6
√(2)

-----------------------


√(128)

=
√(64(2))

=
√(64) ×
√(2)

= 8
√(2)

Then


√(50) +
√(72) -
√(128)

= 5
√(2) + 6
√(2) - 8
√(2)

= 11
√(2) - 8
√(2)

= 3
√(2)

User Srknzl
by
8.8k points

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