Question

simplify
a) (√5+√2 )²
b)<√5-√3)²
please show the method I will mark as brainlist pls show the method​

Answer 1

Answer:

a) (a+b)^2=a^2 + 2ab + b^2

(√5+√2)^2=(√5)^2+2(√5)(√2)(√2)^2

=5+2+2√10

=7+2√10

b) (a-b)^2=a^2-2ab+b^2

(√5-√3)^2=(√5)^2-2(√5)(√3)+(√3)^2

=5+2-2√15

=7-2√15

Mark it has Brainliest

Answer 2

Answer:

1.(✓5+✓2)²

=(✓5)² + 2×✓5×√2 + (✓2)²

=5 + 2✓10 + 2

=7 + 2✓10

2.(✓5-✓3)²

=(✓5)² -2×√5×√3 + (√3)²

= 5 - 2√15 +3

= 8- 2√15