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descompuneti in factori ( radical din 2x - 1) la patrat - 32x la patrat

Răspuns :

(√2x-1)²-32x² =
32=(√32)² =(4√2)²
=(√2x-1)²-(4√2x)² =
=(√2x-1-4√2x)(√2x-1+4√2x) =
=(-3√2x-1)(5√2x-1)