4. By using suitable identity, simplify (xy - yz)2
5. Using the identity (x + a) (x + b) = x2 + (a + b)x + ab, find the product: (2x + 3) (2x - 5).
6. Evaluate (91)2 by using identity.
7. Simplify (4x + 3)2 - (4x - 3)2
8. Find the continued product: (x + 2)(x - 2)(x2 + 4).
9. If 2x + 3y = 11 and xy = 8, find the value of 4x2 +9y2.
1
1
10. If x--- =3, find the value of x2 +
X
Plz tell me the answer of all questions
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Step-by-step explanation:
10) x(3)2+3
12isthe correct answer
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