Răspuns :
a) 2√3(2√2 + √12) - √96 =
= (2√3)(2√2) + (2√3)(2√3) - 4√6 =
= 4√6 + 4√9 - 4√6 = 4*3 = 12
b) 2√8 (√200 - √648 + √162) =
= 2(2√2) ( √10²*2 - √18²*2 + √9²*2) =
= 4√2(10√2 - 18√2 + 9√2) =
= 4√2 * √2 = 4√4 = 4*2 = 8
a) 2√3(2√2 + √12) - √96 =
= (2√3)(2√2) + (2√3)(2√3) - 4√6 =
= 4√6 + 4√9 - 4√6 = 4*3 = 12
b) 2√8 (√200 - √648 + √162) =
= 2(2√2) ( √10²*2 - √18²*2 + √9²*2) =
= 4√2(10√2 - 18√2 + 9√2) =
= 4√2 * √2 = 4√4 = 4*2 = 8