If \[{{x}^{2}}-hx-21=0,{{x}^{2}}-3hx+35=0\]\[(h>0)\]has a common root, then the value of \[h\] is equal to [EAMCET 1986]

If \[{{x}^{2}}-hx-21=0,{{x}^{2}}-3hx+35=0\]\[(h>0)\]has a common root,

1.	If \[{{x}^{2}}-hx-21=0,{{x}^{2}}-3hx+35=0\]\[(h>0)\]has a common root, then the value of \[h\] is equal to [EAMCET 1986]
A.	1
B.	2
C.	3
D.	4
Answer» E.