Math, asked by anikaa91, 10 months ago

Simplify root 5 -root 2 into root 5 +root 2

Answers

Answered by princess1745
10

Step-by-step explanation:

(5-2root5 )(5+2root5)

=5square - (2root5)square

=25 - 4 × 5

=25-20

=5

Attachments:
Answered by vishav02
7

Answer:

3

Step-by-step explanation:

(root 5 - root 2)(root 5 + root 2)

It can be seen as (a-b)(a+b) as it is equal to a^2 - b^2

So √5 square - √2 square

is equal to 3 answer


anikaa91: Its is root 2 not 2
vishav02: m sry by mistake i took 2 ...then answer will be 3
vishav02: i did the correction
anikaa91: Oh thanks
Similar questions