Question

find the value of from chapter algebraic identities

Answer 1

$\sf \star EXPLANATION \\ \\ \implies\star$


$<b>==========================<b>$



We know that formula of:- (a-b-c)²

 a²+b²+c²-2ab+2bc-2ca



Now putting the value of Required terms;


(√3x)²+(√2y)²+(7)²-2(√3x)(√2y) +2(√2y)(7)-2(7)(3x)


3x²+2y²+49-2√6xy+14√2y-42x





3x²+2y²+49-2√6xy-42x+14√2y




Thanks!!?

Answer 2

Hey mate here is your answer.