Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
√23
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
1√2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
√2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A3√2 limx→π42√2−(cosx+sinx)31−sin2x(00orm) =limx→π4−3(cosx+sinx)2(−sinx+cosx)−2cos2x =limx→π4−3(cosx+sinx)(cos2x−sin2x)−2cos2x =limx→π4−3(cosx+sinx)cos2x−2cos2x =limx→π43(cosx+sinx)2=32.(1√2+1√2)=3√2