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allochka39001 [22]
3 years ago
13

Maths a²(5a - 3b) -3a²​

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0

Answer:

5a^{3} - 3a^{2} b-3a^{2}

Step-by-step explanation:

a^{2} (5a-3b)-3a^{2} |

Expand brackets

5a^{3} - 3a^{2} b-3a^{2}

Final Answer is

5a^{3} - 3a^{2} b-3a^{2}

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Proved

Step-by-step explanation:

Cosec2A + cot2A = cotA​

On Left hand-side

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=\frac{1}{2sinAcosA} +\frac{2cos^2A-1}{2sinAcosA}

\frac{1+2cos^2A-1}{2sinAcosA} \\\\\\=\frac{2cos^22A}{2sinAcosA} \\\\=\frac{cosA}{sinA} \\\\\\=cotA

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8 0
3 years ago
−1 + 6 = 5 + 8 + 4<br> Group of answer choices<br><br> 10<br><br> 1<br><br> -2<br><br> - 3
Mila [183]

Answer:

10

Step-by-step explanation:

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5=17

8 0
3 years ago
How do you find the slope in a graph?
lys-0071 [83]
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3 0
4 years ago
HELP DUE IN 15 MINS!<br><br> x = ??
kkurt [141]

Answer:

  • 2

Step-by-step explanation:

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3 0
3 years ago
F(x) =3 times square root of (3x + 10) + 2<br> g(x) = x^2- 7x<br> (f of g)(10)=
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