Binomial expansion of (X+Y+Z)^4
eq1:
(x+y+z)^(4)=x^(4)+y^(4)+z^(4)+4[x^(3)y+x^(3)z+y^(3)x+y^(3)z+z^(3)x+z^(3)y]+6[x^(2)y^(2)+x^(2)z^(2)+z^(2)y^(2)]+12[x^(2)yz+y^(2)xz+z^(2)xy]
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(x+y+z)^(5)=x^(5)+y^(5)+z^(5)+5[x^(4)y+x^(4)z+y^(4)x+y^(4)z+z^(4)x+z^(4)y]+10[x^(3).y^(2)+x^(3).z^(2)+y^(3).x^(2)+y^(3).z^(2)+z^(3).x^(2)+z...
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WE USE CONCEPT OF PERMUTATIONS AND COMBINATIONS IN THE EXPANSION OF (x+y+z)^5 This is the concept behind the binomial expa... -
INVERSE TRIGONOMETRIC FUNCTION y=sinx Note:- Sinx is a function.its mean for every x(x=1,2,3,...n) we get one value .otherwise it...
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