Question

(4+2√5)(3-5√5)
pl answer it fast​

Answer 1

Answer:

√5 × √15 = √75 (= 15× 5)

= √25 × √3

= 5 √3

(1 + √3)(2 - √8) [The brackets are expanded as usual]

= 2 - √8 + 2√3 - √24

= 2 - 2√2 + 2√3 - 2√6