Dear Student, y=11+xa-b+xc-b+11+xb-c+xa-c+11+xb-a+xc-a=11+xaxb+xcxb+11+xbxc+xaxc+11+xbxa+xcxa=1xa+xb+xcxb+1xa+xb+xcxc+1xa+xb+xcxa=xbxa+xb+xc+xcxa+xb+xc+xaxa+xb+xc=xb+xc+xaxa+xb+xc=1Hence y=1dydx=ddx1dydx=0 Regards,

Pls solve ques.11

Pls solve ques.11 O O c c

Dear Student,

y = \frac{1}{1 + x^{a - b} + x^{c - b}} + \frac{1}{1 + x^{b - c} + x^{a - c}} + \frac{1}{1 + x^{b - a} + x^{c - a}} = \frac{1}{1 + \frac{x^{a}}{x^{b}} + \frac{x^{c}}{x^{b}}} + \frac{1}{1 + \frac{x^{b}}{x^{c}} + \frac{x^{a}}{x^{c}}} + \frac{1}{1 + \frac{x^{b}}{x^{a}} + \frac{x^{c}}{x^{a}}} = \frac{1}{\frac{x^{a} + x^{b} + x^{c}}{x^{b}}} + \frac{1}{\frac{x^{a} + x^{b} + x^{c}}{x^{c}}} + \frac{1}{\frac{x^{a} + x^{b} + x^{c}}{x^{a}}} = \frac{x^{b}}{x^{a} + x^{b} + x^{c}} + \frac{x^{c}}{x^{a} + x^{b} + x^{c}} + \frac{x^{a}}{x^{a} + x^{b} + x^{c}} = \frac{x^{b} + x^{c} + x^{a}}{x^{a} + x^{b} + x^{c}} = 1 H e n c e y = 1 \frac{d y}{d x} = \frac{d}{d x} (1) \frac{d y}{d x} = 0

Regards,

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Pls solve ques.11 Pls solve ques.11 O O c c

Pls solve ques.11

Pls solve ques.11 O O c c