Find the value of p in each of the following: 7p = (25×25) – (24×24)
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Given:
- 7p = (25×25)-(24×24).
To Find:
- Value of p.
Answer:
Given that 7p = (25×25)-(24×24).
=> 7p = (25×25)-(24×24).
=> 7p = 25² - 24².
=> 7p = (25+24)(25-24)
- Using (a+b)(a-b)=a²-b².
=> 7p = 49 × 1.
=> p = 49/7
=> p = 7.
Hence the value of p is 7 .
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