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CBSE Class 12-science Answered

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Asked by vishnu246.garuda | 26 Sep, 2020, 09:04: AM
answered-by-expert Expert Answer
Given: p(A U B) = 3/4 and p(A bar) = 2/3
To find: P(A bar intersection B)
straight A union straight B equals open parentheses straight A with bar on top intersection straight B close parentheses union straight A straight P open parentheses straight A union straight B close parentheses equals straight P open parentheses straight A with bar on top intersection straight B close parentheses plus straight P open parentheses straight A close parentheses rightwards double arrow 3 over 4 equals straight P open parentheses straight A with bar on top intersection straight B close parentheses plus 1 minus 2 over 3 rightwards double arrow straight P open parentheses straight A with bar on top intersection straight B close parentheses equals 3 over 4 plus 2 over 3 minus 1 rightwards double arrow straight P open parentheses straight A with bar on top intersection straight B close parentheses equals fraction numerator 9 plus 8 over denominator 12 end fraction minus 1 rightwards double arrow straight P open parentheses straight A with bar on top intersection straight B close parentheses equals 5 over 12
Answered by Renu Varma | 27 Sep, 2020, 01:34: PM

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