a) ( 5x² + 1 ) ² = ( 5x² )² + 2. 5x² . 1 + ( 1 ) ² = 25 x⁴ + 10 x² + 1
b) ( c³ + 6 )² = ( c³ )² + 2. c³ . 6 + ( 6 ) ² = c ⁶ + 12 c³ + 36
c) ( 10 + a )² = ( 10)² + 2 . 10 . a + ( a) ² = 100 + 20 a + a²
d) ( x² + x ) ² = ( x² )² + 2.x².x + ( x)² = x ⁴ + 2x³ + x²
e)( 5a + 4 c)² = ( 5a)² + 2. 5a .4c + ( 4c)² = 25a² + 40 ac +16 c²
f) ( 3m² + 4n)² = ( 3m)² + 2. 3m² . 4n + ( 4n )² = 9m² + 24 m²n + 16 n²
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a) ( 5x² + 1 ) ² = ( 5x² )² + 2. 5x² . 1 + ( 1 ) ² = 25 x⁴ + 10 x² + 1
b) ( c³ + 6 )² = ( c³ )² + 2. c³ . 6 + ( 6 ) ² = c ⁶ + 12 c³ + 36
c) ( 10 + a )² = ( 10)² + 2 . 10 . a + ( a) ² = 100 + 20 a + a²
d) ( x² + x ) ² = ( x² )² + 2.x².x + ( x)² = x ⁴ + 2x³ + x²
e)( 5a + 4 c)² = ( 5a)² + 2. 5a .4c + ( 4c)² = 25a² + 40 ac +16 c²
f) ( 3m² + 4n)² = ( 3m)² + 2. 3m² . 4n + ( 4n )² = 9m² + 24 m²n + 16 n²