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Expand by using identity (2x-y + z ) 2 – 2394121 (x+y+ z )^ 2 = x^ 2 + y^ 2 + z ^ 2 + 2xy + 2yz + 2zx We will get the answer as 4x^ 2 + y^ 2 + z ^ 2 – 4xy – 2yz + 4zx, Expand (x-y- z )^ 2 . Rewrite as . Expand by multiplying each term in the first expression by each term in the second expression. Simplify each term. Tap for more steps… Multiply by . Rewrite using the commutative property of multiplication. Rewrite using.
3/16/2017 · Ex 2 .5, 4 Expand each of the following, using suitable identities: (x + 2y + 4z) 2 (x + 2y + 4z) 2 Using (a + b + c) 2 = a2 + b2 + c2 + 2ab + 2bc + 2ac Where a = x , b …
Expand this algebraic expression `(x+ 2 )^3` returns ` 2 ^3+3*x* 2 ^ 2 +3* 2 *x^ 2 +x^3` Note that the result is not returned as the simplest expression in order to be able to follow the steps of calculations. To simplify the results, simply use the reduce function.
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Ex 2 .5 Class 9 Maths Question 4. Expand each of the following, using suitable identities : (i) (x + 2y + 4z) 2 (ii) (2x -y + z ) 2 (iii) (-2x + 3y + 2z) 2 (iv) (3a – 7b -c) 2 (v) (-2x + 5y – 3z) 2, This calculator can be used to expand and simplify any polynomial expression.
Answer: x2 + 2 x y + 2 x z + y2 + 2 y z + z2 | x2 + 2 x ( y + z ) + ( y + z ) 2 | x2 + 2 x y + 2 x z + ( y + z ) 2 | x2 + 2 x y + 2 x z + y2 + 2 y z + z2
