√5-√3 √5 + √3
28. If x=
V √5 + √ √5-√3
+
then find the value of ✓✓✓x
Answers
Answered by
0
Answer:
sarla had made up her mind before Suraj come place first in the pastsarla had made up her mind before Suraj come place first in the pastsarla had made up her mind before Suraj come place first in the pastsarla had made up her mind before Suraj come place first in the pastsarla had made up her mind before Suraj come place first in the past
Answered by
0
Answer:
16
5
+57
x=
5
+
3
5
−
3
x=
5
+
3
5
−
3
×
5
−
3
5
−
3
=
2
5+3−2
15
=4−
15
y=
5
−
3
5
+
3
y=
5
−
3
5
+
3
×
5
+
3
5
+
3
=
2
5+3+2
15
=4+
15
Now,
x
2
+y
2
−5xy
=(4−
15
)
2
+(4+
15
)
2
−5(4−
15
)(4+
15
)
=(16+15−8
15
)+(16+15+8
15
)−5(4−
15
)(4+
15
)
=62−5(16−15)=62−5=57
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