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Subject : Maths Level : High school Topic : Surds Points : 72
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Subject : Maths
Level : High school
Topic : Surds
Points : 72

Subject : Maths Level : High school Topic : Surds Points : 72-example-1
User Gsharp
by
8.3k points

1 Answer

4 votes

Answer:

  • a = 5

Explanation:

Simplify:

  • √5(√8 + √18) =
  • √5*8 + √5*18 =
  • √40 + √90 =
  • √4*10 + √9*10 =
  • 2√10 + 3√10 =
  • (2 + 3)√10 =
  • 5√10

The value of a:

  • a√10 = 5√10
  • a = 5
User Dustfinger
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