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Hyperdock. NCERT Solutions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities Ex 9.5, are part of NCERT Solutions for Class 8 Maths. Here we have given NCERT Solutions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities Ex 9.5.
NCERT Solutions for Class 8 Maths Chapter 9 Algebraic Expressions and Identities Ex 9.5
Question 2.
Use the identity to find the following products:
(i) (x + 3) (x + 7)
(ii) (4x + 5) (4x + 1)
(iii) (4x – 5) (4x – 1)
(iv) (4x + 5) (4x – 1)
(v) (2x + 5y) (2x + 3y)
(vi)
(vii) (xyz – 4) (xyz – 2).
Solution.
Use the identity to find the following products:
(i) (x + 3) (x + 7)
(ii) (4x + 5) (4x + 1)
(iii) (4x – 5) (4x – 1)
(iv) (4x + 5) (4x – 1)
(v) (2x + 5y) (2x + 3y)
(vi)
(vii) (xyz – 4) (xyz – 2).
Solution.
Question 3.
Find the following squares by using the identities.
Solution.
Find the following squares by using the identities.
Solution.
Question 4.
Simplify:
Solution.
Simplify:
Solution.
Question 5.
Show that:
Solution.
Show that:
Solution.
Question 6.
Using identities, evaluate:
Solution.
Using identities, evaluate:
Solution.
Unfolder 1 9 5 Ncert Maths
Question 7.
Using , find
Solution.
Using , find
Solution.
Question 8.
Using , find
(i) 103 x 104
(ii) 5.1 x 5.2
(iii) 103 x 98
(iv) 9.7 x 9.8
Solution.
Using , find
(i) 103 x 104
(ii) 5.1 x 5.2
(iii) 103 x 98
(iv) 9.7 x 9.8
Solution.
Unfolder 1 9 5 Ncert Textbook
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