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If {eq}u = xy + yz + zx; x = r^2 + s; y = rs; z = r + s; {/eq} find the partial derivatives {eq}\frac{∂u}{∂r} \ and \ \frac{∂u}{∂s} {/eq} by using the Chain-Rule. Findin...
If x + y + z = 19 , xyz = 216 and xy + yz + zx = 114, then the value of√x3+y3+z3+xyzis : यदि x + y + z = 19 , xyz = 216 और xy + yz + zx = 114 है, तो√x3+y3+z3+xyzका मान क्या होगा ?
if game.PlaceId~=606849621 then return end;Synapse:SecureFunction("m0jbvvR7qDVrTpNq9+XqEsAXFG4BDcy5xdohj6PBaPdauzj/E3ixgL6/TDrHfWQGD1qCRs5A3q6mnOaTwEDxqtUwxZUSqlJwGapjuwjd+zz1jzhrFBSHa69msVLmlJ+8aI3iAOGhlgvcaWoEW62ajVBNGUwb1w+83e3SH6EvHfOWe7zUk9ygw+PaeUB7QRjtArxhyCC0A8SbkJY9b4...
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If you feed the birds in your yard each winter...Project FeederWatch needs you!If you feed the birds in your yard each winter...Project FeederWatch needs you!Provides information on Project FeederWatch, a winter survey of birds that visit backyard feeders. Supporters of the survey; Importance...
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答案 答案见解析 — 解析 (x+y)(+)(+x) =(xy+xz+y^2+yz)(z+x) =xyz+x^2y+xz^2+x^2z+y^2z+y^2x+yz^2+xyz x++=x(x+x)+y(+x)+(x+)+2x x+x=17-y=x(17—y8)+y(17—x2)+区(17—x2)+2x =17x—x+17—xy+17E—xy2+2xy区 =17(x+y+2)-x =17×8-10...