Question

196 impartit la x la ruterea a 2 egal cu 7 la puterea4 impartit la 7 la a 2

Answer 1

196:x^2=7^2
196:x^2=49
x^2=196|49
x=V196|49
x=14|7
x=2
^-la puterea
|-Supra
V-radical

Answer 2

196:x^2=7^4:7^2 x^2supra196=7^4supra7^2 7^2•x^2=196•7^4 49x^2=196•49•49 x^2=196•49 x=radical din196•49=98