The point \(P(a, b)\) undergoes the following three transformations successively:(A) reflection .... VIDEO
The point \(P(a, b)\) undergoes the following three transformations successively:(A) reflection about the line \(y=x\)(B) translation through 2 units along the positive direction of \(x\)-axis.(C) rotation through angle \(\frac{\pi}{4}\) about the origin in the anticlockwise direction.If the co-ordinates of the final position of the point \(P\) are \(\left(-\frac{1}{\sqrt{2}}, \frac{7}{\sqrt{2}}\right)\) then the value of \(2 a+b\) is equal to: 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
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