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Nataly_w [17]
2 years ago
14

100 POINT!!!!! NEED HELP ASAP Show that (a + bi)^2 = (a + b)(a − b) + 2abi

Mathematics
1 answer:
Rudik [331]2 years ago
8 0

Answer:

Step-by-step explanation:

(a + bi)^2 = (a + b)(a − b) + 2abi

= a² + (bi)² + 2 * a * bi

= a² + b²i² + 2abi

= as i² = -1

=<u> a² - b²</u> + 2abi

= (a + b) (a - b) + 2abi

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Find the number by which 4732 should be divided to get perfect square.
ElenaW [278]

Answer:

The required number is 7.

Dividing by this gives the perfect square 676.

Step-by-step explanation:

Finding the prime factors:

2) 4732

2) 2366

7) 1183

13)169    

     13

So 4372

= 2^2 * 7 * 13^2

= 4 *169 * 7

= 676 * 7

Now 676 is a perfect square so the answer is 7.

= 1283 * 4.

Answer is 1283.

8 0
3 years ago
I just wanna make sure my answer is right can anyone confirmmm
valina [46]
You would get it wrong cause you haven’t answered anything
3 0
2 years ago
What is the expression is factored form? X^2 + 14x + 48
galben [10]

Answer:

Factored form of the expression is ( x+ 8)(x + 6).

Step-by-step explanation:

The given expression is x² + 14x + 48.

We have to convert the expression in factored form

x² + 14x + 48 = x² + 8x +6x + 48

= x(x + 8) + 6(x + 8) = (x + 8)(x + 6)

Therefore the factored form of the expression is (x + 8)(x + 6).

6 0
3 years ago
Read 2 more answers
Can someone help me with this
Kipish [7]

Answer:

Graphed in the wrong place... the equation says the y-intercept is at -24 but there is no intercept drawn!!!!!!

Step-by-step explanation:

5 0
3 years ago
What number can be used as a common denominator for the fractions 1/4 and 5/6
Korvikt [17]

Answer:

<em>12</em>

Step-by-step explanation:

<em>1/4= 3/12</em>

<em>5/6=10/12</em>

<em>So they both have a common denominator of 12!</em>

Hope this helps, have a good day. c;

8 0
3 years ago
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