how( 1-underoot 2 / -1 = underoot 2 -1 )
$ how ( 2 underoot 5- 5 underoot 2 / -30 = 5 underoot 2 - 2 underoot 5 / 30 )
The graph for the following system of equations :
2x+3y=5 and 6x+9y=40 is shown
S1:a1a2=b1b2≠c1c2
S2 : The two lines intersect each other.
How to rationalize -:
(a) 2−√3/2+√3 (b) 2√5+3√2/2√5−3√2