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bulgar [2K]
3 years ago
6

Does anybody know how to do this

Mathematics
2 answers:
Mamont248 [21]3 years ago
7 0

property of integer exponent states that to multiply two powers with the same base, add the exponents .

aˣaⁿ = a⁽ˣ⁺ⁿ⁾

So last option is the correct choice.

igomit [66]3 years ago
6 0

When bases are same the exponents are added

According to this rule a^{m} .a^{n} =a^{m+n}

Here a is the base and m and n are the exponents

Bases at both places are same and there is a multiplication sign in between so the exponents are multiplied to give m+n

In the above question the last option that is to multiply the powers with same base add the exponents is correct

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The given complex number is ⇒ z = a + b i
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So, we will check which of the options will give 3.28

<span>( A) IF ⇒⇒ a=1.5 and b=1.7
</span>
<span>∴ √( a² + b² ) = √( 1.5² + 1.7²) = √5.14 ≈ 2.27
</span>
===================================

<span>(B) IF ⇒⇒ a=1.5 and b=3.3
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====================================

<span>(C) IF ⇒⇒ a=1.7 and b=2.8
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====================================

<span>(D) IF ⇒⇒ a=2.8 and b=3.3
</span>
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=====================================
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