Q.28. simplity the following expression:
:
(4√2+5√3)^2+ (5√3- 4√2)^2
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a=4√2 , b=5√3
(4√2)^2 + (5√3)^2 + 2(4√2)(5√3)
16(2)+25(3)+40√6
32+75+40√6
107+40√6
a=5√3 , b=4√2
(5√3)^2+(4√2)^2-2(5√3)(4√2)
25(3)+16(2)-40√6
75+32-40√6
107-40√6
according to question
107+40√6 + 107-40√6
214
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