Prove: 2 (√10 - 2√5) (√10 + 2√5) = 2[ (10)² - (2√5)² ]
The Above statement is right, But I didn't understand the concept of multiplying √10 × √10 = 10²
Can you tell me, That concept, It is given in Maths Book. See Attachment.
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1
Answer:
it is very easy dude see the chapter rationalization u will get it
Answered by
1
Answer:
I think here is something misprint
that is (√10)²
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