Question

please answer the questions​

Answer 1

Answer:

(i)

1÷3+√2×3-√2÷3-√2

Step-by-step explanation:

we know that (a+b) (a-b) =a square-b square square

=3-√2÷(3×3)-(√2×√2)

=3-√3÷9-2

=3√3÷7

(ii) 1÷√7-6×√7+6÷√7+6

=we know that (a+b)(a-b)= a square - b square

√7+6÷29

Answer 2

I only the 5th main... I don't know the 6th main . hope it helped you