Question

the product of (4+3√5)(4-3√5)is
a)61
b)29
c)-29
d)1​

Answer 1

Answer:

29

Step-by-step explanation:    

(4+3√5)(4-3√5)

It is in the form of (a+b)(a-b)  

therefore a=4 and b=3√5

=[ (4)² - (3√5)² ]

=[ 16 - 45 ]

=[ -29 ]

Answer 2

SOLUTIONS

Multiplication of binomial

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