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The oxidation states of X, Y a n d Z are + 2, + 2 a n d − 2 respectively. The possible formula of the compound is: The possible formula of the compound is: View Solution
Mar 21, 2018 · So we can find the terms of (x +y +z)4 that only involve 2 of x,y,z by combining the expansions of binomial powers, One way to see that is to think about setting each of x,y,z to zero in turn and expanding the remaining binomial. By symmetry, the remaining terms - involving all three variables - will take the form kx2yz + kxy2z +kxyz2 for some ...
Q. Use the formula to find the factors. Q. Write the formula for the area of the triangle having its vertices at (x 1, y 1 ), (x2, y 2) and (x 3, y 3 ). For z=x+iy, where x,y∈R and i=√−1, what is the polar form of representation? Q. For what value of k the circles x2+y2+5x+3y+7=0 and x2+y2−8x+6y+k=0 cut orthogonally. Q.
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Oct 3, 2017 · The reporter interleaved his own commentary: [2] 1929 December 28, The Sydney Morning Herald, Success in Life: Einstein’s Formula by R.A. Thompson, Quote Page 5, Column 2, Sydney, New South Wales, Australia. (Newspapers_com) In this equation, as Einstein explained to the interviewer, “X” means work. Without work, and hard work, success is ...
The oxidation states of X, Y a n d Z are + 2, + 2 a n d − 2 respectively. The possible formula of the compound is: The possible formula of the compound is: View Solution
x3 +y3 +z3 −3xyz = (x+y+z)(x2 +y2 +z2 −xy−yz−zx) First take L.H.S. (x+y+z)(x2 +y2 +z2 −xy−yz−zx) To multiply two polynomials, we multiply each monomial of one polynomial (with its sign) by each monomial (with its sign) of the other polynomial. x.x2 +x.y2 +x.z2 −x2y−xyz−x2z+y.x2 +y.y2 +y.z2 −xy2 −y2z−xyz+z.x2 +z.y2 +z ...
