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प्रश्न
Find the following product: (x2 + 4) (x2 + 9)
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उत्तर
Here, we will use the identity \[\left( x + a \right)\left( x + b \right) = x^2 + \left( a + b \right)x + ab\].
\[\left( x^2 + 4 \right)\left( x^2 + 9 \right)\]
\[ = \left( x^2 \right)^2 + \left( 4 + 9 \right)\left( x^2 \right) + 4 \times 9\]
\[ = x^4 + 13 x^2 + 36\]
संबंधित प्रश्न
Find the value of x, if 4x = (52)2 − (48)2.
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If (x + y + z) = 9 and (xy + yz + zx) = 26, then find the value of x2 + y2 + z2
By using identity evaluate the following:
73 – 103 + 33
2p is the factor of 8pq
Simplify:
(1.5p + 1.2q)2 – (1.5p – 1.2q)2
Simplify:
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Simplify:
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Expand the following, using suitable identities.
`(4/5a + 5/4b)^2`
