Question

$\huge{\boxed{Hey Mate}}$

$\huge{\mathfrak\red{Answer \:Plz}}$


$\mathfrak\pink{Question}$

Find (0.4p - 0.5q)². If p= 5 and q= 4, evaluate the value of the expression.


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Answer 1

=>{(0.4)(5)-(0.5)(4)}^2

=>{(2.0)-2.0)}^2

=>{0}^2

=>0

Answer 2

$\huge{\boxed{Hey Mate}}$

$\huge{\mathfrak\red{Here \:is \:your \:answer}}$

$\mathfrak\pink{Question}$

Find (0.4p - 0.5q)². If p= 5 and q= 4, evaluate the value of the expression.

$\mathfrak\pink{Solution:}$

(0.4p - 0.5q)²

= (0.4p - 0.5q) × (0.4p - 0.5q)

=(0.4p) × (0.4p) - (0.4p × 0.5q + 0.4p × 0.5q) + (0.5q) × (0.5q)

= 0.16p² - 0.40pq + 0.25q²

Given,

p= 5 and q= 4

On substituting the values we get,

= 0.16 × 5² - 0.40 × 5 × 4 + 0.25 × 4²

= 4 - 8 + 4

= 0

$\huge{\mathfrak\red{Hope \:it \:is \:helpful}}$

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