Question

The rationalising factor of 1/(7+3 √2)

Answer 1

Answer:

$\frac{ -1}{10 \sqrt{3} }$

Step-by-step explanation:

answer is that question by a. u. abhi

Answer 2

(7-3√5 ) × (7+3√5) = (7²-(3√5)²)

= 49- 45

= 4

here you go....hope this helps