2 years ago

Solve, using linear combination.

1 answer:

6 0

Let's try all the answers with the above equation

a) 4 as p and -4 as q
4 - 4 = 8? INCORRECT

b) 10 as p and 1 as q
10 - 1 = 8? INCORRECT

c) -4 as p and 4 as q
-4 - 4 = 8? INCORRECT

d) 11 as p and 3 as q
11 - 3 = 8? correct

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Step-by-step explanation:

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$\\ \sf\longmapsto GI^2=FI(IH)$

$\\ \sf\longmapsto GI^2=6(12)$

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2 years ago

How to find two consecutive numbers whose squares differ by 15?

LUCKY_DIMON [66]

Let x is the first no. then the other no. will obviously be (x+1)

according to question,
(x+1)²- x²= 15
x² +2x+1 - x² = 15 ( using (a+b)²= a²+ b² + 2ab )
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hence numbers are x = 7 and x +1 = 7+1 = 8
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hence the numbers are 7 and 8

hope it helped

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2 years ago