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ICSE-IDENTITIES-EXERCISE 12(D)
- Evaluate : (i) (2x - (3)/(5) ) (2x + (3)/(5) )
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- Evaluate : (ii) ((4)/(7) a+ (3)/(4) b) ((4)/(7) a - (3)/(4) b)
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- Evaluate : (iii) (6-5xy) (6+5xy)
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- Evaluate : (iv) (2a + (1)/( 2a) ) (2a - (1)/( 2a ))
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- Evaluate : (v) (4x^(2) - 5y^(2) ) (4x^(2) + 5y^(2) )
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- Evaluate : (vi) (1.6 x + 0.7y) (1.6 x - 0.7y)
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- Evaluate : (vii) (m+ 3) (m-3) (m^2 + 9)
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- Evaluate : (viii) (3x + 4y) (3x -4y) (9x^2 + 16y^2)
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- Evaluate : (ix) (a+ bc ) (a- bc) (a^2 + b^2 c^2)
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- Evaluate : (x) 203 xx 197
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- Evaluate : (xi) 20.8 xx 19.2
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- Find the square of : (i) 3x + (2)/(y)
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- Find the square of : (ii) (5a)/(6b) - (6b)/(5a)
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- Find the square of : (iii) 2m^(2) - (2)/(3) n^2
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- Find the square of : (iv) 5x + (1)/(5x)
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- Find the square of : (v) 8x + (3)/(2) y
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- Find the square of : (vi) 607
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- Find the square of : (vii) 391
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- Find the square of : (viii) 9.7
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- If a+ (1)/(a) = 2, find : (i) a^(2) + (1)/( a^2)
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