a.
To check the identity
At
a.
Answer to Problem 21E
The given identity is true at
Explanation of Solution
Given:
Concept Used:
Calculation:
To check the identity
At
Put
Similarly;
This, implies that left hand side and right hand side of given identity are true for
Hence, the given identity is true at
b.
To check the identity
At
b.
Answer to Problem 21E
The given identity is true at
Explanation of Solution
Given:
Concept Used:
Calculation:
To check the identity
At
Put
Similarly;
This, implies that left hand side and right hand side of given identity are true for
Hence, the given identity is true at
c.
To check the identity
At
c.
Answer to Problem 21E
The given identity is true at
Explanation of Solution
Given:
Concept Used:
Calculation:
To check the identity
At
Put
And;
This, implies that left hand side and right hand side of given identity are true for
Hence, the given identity is true at
d.
To check the identity
At
d.
Answer to Problem 21E
The given identity is true at
Explanation of Solution
Given:
Concept Used:
Calculation:
To check the identity
At
Put
And;
This, implies that left hand side and right hand side of given identity are true for
Hence, the given identity is true at
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Chapter 1 Solutions
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