What is the capital of Africa??
Answers
For example, Cairo, the largest city in Africa, has a population of about 9.1 million people, but more than 20 million people live in its metropolitan area.
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Explanation:
Explanation:
Let's consider that two consecutive positive integers are x & (x + 1).
\begin{gathered}\begin{gathered}{\underline{\sf{\bigstar\: According \ to \ the \ given \ Question :}}}\\ \\\end{gathered}\end{gathered}
★According to the given Question:
\begin{gathered}\begin{gathered}:\implies\sf x^2 + \Big(x + 1 \Big)^2 = 365 \\\\\\:\implies\sf x^2 + x^2 + 1 + 2x = 365 \\\\\\:\implies\sf 2x^2 + 2x^2 = 365 - 1 \\\\\\:\implies\sf 2x^2 + 2x- 364 = 0 \qquad \bigg\lgroup\sf Taking \ 2 \ common \bigg\rgroup\\\\\\:\implies\sf x^2 + x - 182 = 0 \\\\\\\qquad\qquad\underline{\sf{\purple{\: Using \ splitting \ the \ Middle \ term \ method \ :}}}\\\\\\:\implies\sf x^2 + 14 x - 13x - 182 = 0\\\\\\:\implies\sf x( x + 14) - 13(x + 14) = 0\\\\\\:\implies\sf\pink{(x - 13) (x + 14) = 0}\\\\\\:\implies\sf x - 13 = 0 \\\\\\:\implies\boxed{\rm{\blue{\: x = 13}}} \\\\\\:\implies\sf x + 14 = 0 \\\\\\:\implies\boxed{\rm{\blue{\: x = -14}}}\end{gathered}\end{gathered}
:⟹x
2
+(x+1)
2
=365
:⟹x
2
+x
2
+1+2x=365
:⟹2x
2
+2x
2
=365−1
:⟹2x
2
+2x−364=0
⎩
⎪
⎪
⎪
⎧
Taking 2 common
⎭
⎪
⎪
⎪
⎫
:⟹x
2
+x−182=0
Using splitting the Middle term method :
:⟹x
2
+14x−13x−182=0
:⟹x(x+14)−13(x+14)=0
:⟹(x−13)(x+14)=0
:⟹x−13=0
:⟹
x=13
:⟹x+14=0
:⟹
x=−14
\bigstar★ Finding numbers★★Findingnumbers
First number (x) = 13
Second number (13 + 1) = 14[/tex]
⠀⠀⠀
\begin{gathered}\begin{gathered}\therefore\underline{\textsf{Two positive consecutive numbers are \textbf{13 \& 14}}}. \\ \end{gathered}\end{gathered}
∴
Two positive consecutive numbers are 13 & 14
.