​question 12 please, thank you.
​question 12 please, thank you. C (C) cot— + cot — = 2cot 2 Subjective : (D) sinA + sinc = 2sinB 2 11. 12. 13. Find the sum of the squares of all the real solution of the equation Find the product of all real values of x satisfying the equation 310g;x If cot2A.cot2B = 3, then the value of (2 - cos2A) (2 cos2B) is : Find the least value of the expression E = (x + y) (y + z) where x, y and z are positive rea the equation xyz (x + y + z) = 1

Dear Student,
Please find below the solution to the asked query:

3log32x-9-2xlog3x=0...iWe know that3log3x=x3log3x2=xlog3xHence i becomesxlog3x-9-2xlog3x=0xlog3x-9=2xlog3x...iixlog3x-9=2xlog3x or xlog3x-9=-2xlog3xxlog3x-2xlog3x=9 or xlog3x+2xlog3x=9-xlog3x=9 and 3xlog3x=9But xlog3x=-9 is not possible3xlog3x=9xlog3x=3log3xlog3x=log33log3xlog3x=1log3x2=1log3x=1 or log3x=-1x=3 or x=13Product of solution=3×13=1 Answer

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