On simplifications(0.65)2−(0.16)2\sqrt{(0.65)^2-(0.16)^2}(0.65)2−(0.16)2 reduces to A0.63B0.65C0.54DNone of theseAnswer: A. 0.63 Read Explanation: (0.65)2−(0.16)2\sqrt{(0.65)^2-(0.16)^2}(0.65)2−(0.16)2,Sincea2−b2=(a+b)(a−b)a^2-b^2=(a+b)(a-b)a2−b2=(a+b)(a−b)=(0.65+0.16)(0.65−0.16)=\sqrt{(0.65+0.16)(0.65-0.16)}=(0.65+0.16)(0.65−0.16)=(0.81)(0.49)=\sqrt{(0.81)(0.49)}=(0.81)(0.49)=(0.92)(0.72)=\sqrt{(0.9^2)(0.7^2)}=(0.92)(0.72)=0.9×0.7=0.9\times{0.7}=0.9×0.7=0.63=0.63=0.63 Read more in App
