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Algebraic Identities

v Use a suita...

Question

Question 1(v)
Use a suitable identity to get each of the following products:
(1.1m – 0.4 ) (1.1m + 0.4 )

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Solution

$(1.1 m - 0.4) (1.1 m + 0.4)$
$= (1.1 m)^{2} - (0.4)^{2}$ $(U s i n g t h e i d e n t i t y (a - b) (a + b) = a^{2} - b^{2}]$
$= 1.21 m^{2} - 0.16$

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Similar questions

Use a suitable identity to get each of the following products.

(1.1 m - 0.4) (1.1 m + 0.4)

Question 1(v)
Use a suitable identity to get each of the following products:
(1.1m – 0.4 ) (1.1m + 0.4 )

Q. Use identity to get the product of

(1.1 m - 0.4) (1.1 m + 0.4)

Q. Use suitable identity to solve

(1.1 m - 0.4) (1.1 m + 0.4)

Use a suitable identity to get each of the following products.

(i) (x + 3) (x + 3) (ii) (2y + 5) (2y + 5)

(iii) (2a − 7) (2a − 7) (iv)

(v) (1.1m − 0.4) (1.1 m + 0.4) (vi) (a² + b²) (− a² + b²)

(vii) (6x − 7) (6x + 7) (viii) (− a + c) (− a + c)

(ix) (x) (7a − 9b) (7a − 9b)

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Algebraic Identities

Standard VIII Mathematics

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