cho hình thang vuông abcd vuông tại A và D có AD= a căn 3, DC=3,AB= 2a. chứng minh AC vuông góc với BD
1 answer:
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Answer:
A. Division property of inequality.
Step-by-step explanation:
Let be , we proceed to show the appropriate procedure to step 4:
1) Given
2) Compatibility with multiplication/Existence of multiplicative inverse/Associative property/Modulative property/Result. (Division property of inequality)
In consequence, the division property of inequality which states that:
. If
, then:
But if , then:
Hence, correct answer is A.
Answer:
The given equation having only one solution i.e., "w = 3". A further explanation is provided below.
Step-by-step explanation:
The given equation is:
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By opening the brackets, we get
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On adding "83" both sides, we get
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