Question

please help me in this question​

Answer 1

Answer:

which one

Step-by-step explanation:

Answer 2

Your Answer

MCQ

1) (√11-√7)(√11+√7) = (√11)² - (√7)² = 11-7 = 4

Correct option is b) 4

2) (5√2+3√3) + (2√2-5√3) = 5√2 + 2√5 + 3√3 - 5√3 = 7√2 - 2√3

Correct option is a) 7√2 - 2√3

3) (5+√5)(5-√5) = (5)² - (√5)² = 25-5 = 20

Correct option is a) 20

I can help you uptill here! sorry for that!!

Hope this make your concept clear