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4 years ago

Simplify the expression (3+i)(2+i)

Mathematics

2 answers:

Ipatiy [6.2K]4 years ago

4 0

Answer:

5 +5i

Step-by-step explanation:

(3+i)(2+i)

FOIL

first 3*2 =6

outer: 3i

inner : 21

last i*i = i^2 = -1

Add them together

6+3i+2i-1

5 +5i

vovikov84 [41]4 years ago

3 0

Answer:

Step-by-step explanation:

hello :

(3+i)(2+i) = 6+3i+2i+i² but : i² = -1

(3+i)(2+i) = 5+5i

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Answer:

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Step-by-step explanation:

Given as :

The principal invested in account by Jamie = p = $1200

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Let The Amount in Jamie account = $ A

<u>For continuous compounding</u>

Amount = Principal × $e^{r \times time}$

Or, A = p × $e^{r \times time}$

Or, A = $1200 × $e^{0.03 \times 7}$

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4 years ago

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weeeeeb [17]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

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Step-by-step explanation:

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Natasha_Volkova [10]

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Answer:

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Step-by-step explanation:

Given

See attachment

Required

Area of $\triangle PQR$