Ex . :- (i) xXxXxXx = X4 3xaxaxbxbxbxcbcbcxd = 3a2b3c3d . (-3) x(n)xyxyxz = -3xy2z Write the product form – Ex. (2n)5 = (2n) x(2n)x(2n) x(2n)x(2n) – (zn)30 = (-z)x(-z)x(-z)x times ……………..x30 the coefficient of : A in -9a =9 Ai n - ab2c = b2c x2 y in 4x2yz = 4z the numerical coefficient in : (a) 2n=2 (b) = -1 (c) (d) x2yz = 1 (e) n2z = –yz –x=-1 Constants and variables statement - it the statement says about fats than its constant and its change its variable . Ex.- (i) Temperature in a day . (Variable) (ii)Number of letters in the word MTHEMATICS’ (Constant ) (iii)Number of days in February (variable) Like & Un Like Terms : Like term Terms having the same variable are called un – like terms . Ex. 3x ,5x -2x , x , x –
Ex . :- (i) xXxXxXx = X4 3xaxaxbxbxbxcbcbcxd = 3a2b3c3d . (-3) x(n)xyxyxz = -3xy2z Write the product form – Ex. – (2n)5 = (2n) x(2n)x(2n) x(2n)x(2n) (zn)30 = (-z)x(-z)x(-z)x ……………..x30 times the coefficient of : A in -9a =9 Ai n - ab2c = b2c x2 y in 4x2yz = 4z the numerical coefficient in : (a) 2n=2 (b) –yz = -1 (c) –x=-1 (d) x2yz = 1 (e) n2z = Constants and variables statement - it the statement says about fats than its constant and its change its variable . Ex.- (i) Temperature in a day . (Variable) (ii)Number of letters in the word MTHEMATICS’ (Constant ) (iii)Number of days in February (variable) Like & Un Like Terms : Like term – Terms having the same variable are called un like terms . Ex. – 3x ,5x -2x , x , x
Class%20VI%20Maths%20Notes.docx